Platinum (II) iodide

Crystal structure
__ Pt 2+      __ I -
General
Surname	Platinum (II) iodide
other names	Platinum diiodide
Ratio formula	PtI 2
Brief description	black solid
External identifiers / databases
CAS number 7790-39-8 EC number 232-204-2 ECHA InfoCard 100.029.277 PubChem 139965 Wikidata Q4202661
properties
Molar mass	448.90 g mol −1
Physical state	firmly
Melting point	325 ° C (decomposition)
solubility	almost insoluble in water and alkali iodides
safety instructions
GHS labeling of hazardous substances Caution H and P phrases H: 315-319-317-335 P: 261-305 + 351 + 338-302 + 352-321-405-501
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Platinum (II) iodide is an inorganic chemical compound of platinum from the group of iodides .

Extraction and presentation

Platinum (II) iodide can be obtained by reacting platinum with iodine at 400 ° C (formation of the cubic form) or by heating potassium hexaiodoplatinate with water at 240 ° C (formation of the monoclinic form).

properties

Platinum (II) iodide is a black solid that is insoluble in water, alkali iodides, nitric acid , hydrochloric acid or sulfuric acid . It comes in two modifications, one with a cubic and one with a monoclinic crystal structure .

Individual evidence

1. ↑ ^{a b c} Georg Brauer (Ed.) U. a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume III, Ferdinand Enke, Stuttgart 1981, ISBN 3-432-87823-0 , p. 1716.
2. ↑ ^{a b c d e f} data sheet Platinum (II) iodide, Premion®, 99.99% (metals basis), Pt 43.0% min from AlfaAesar, accessed on August 30, 2013 ( PDF )(JavaScript required) .